Modified algorithm for image watermarking using 2D-DCT and elgamal cryptosystem / Nur Azien Yazid, Kamilah Abdullah and Suhaila Abd Halim

• Main Authors: Yazid, Nur Azien, Abdullah, Kamilah, Abd Halim, Suhaila
• Format: Article
• Language: English
• Published: Universiti Teknologi MARA Cawangan Pulau Pinang 2019
• Subjects: Cryptography. Access control. Computer security; Algorithms; System design
• Online Access: http://ir.uitm.edu.my/id/eprint/28904/1/28904.pdf; http://ir.uitm.edu.my/id/eprint/28904/

Image watermarking embeds identifying information in an image in such a manner that it cannot easily be removed. For the past several years, image digital watermarking has become a necessary element used for hid ing secret image and enabling secured communication such as privacy, confidentiality, au...